Table 1: Characteristics of driver’s propensity for different groups.

GroupCharacteristics of driver’s propensity

T1 and T2Speed of target vehicle; acceleration frequency; deceleration frequency; performance reaction time
T3 and T4Speed of target vehicle; acceleration of target vehicle; headway; relative speed; relative acceleration; acceleration frequency; deceleration frequency; performance reaction time
T5 and T6Speed of target vehicle; acceleration of target vehicle; acceleration frequency; deceleration frequency; risky lane-changing frequency; conservative lane-changing frequency; performance reaction time
T7 and T8Headway; relative speed; acceleration frequency; deceleration frequency; risky lane-changing frequency; conservative lane-changing frequency; performance reaction time